Home / 3,261,840.90-4,892,381.01-865,871.70

Finding the Fourth Proportional to 3,261,840.90, 4,892,381.01 and 865,871.70

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Solution

The fourth proportional to 3,261,840.90, 4,892,381.01 and 865,871.70 is: 1,298,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261,840.90 : 4,892,381.01 = 865,871.70 : x
  2. Step 2: Convert to fraction form
    3,261,840.90/4,892,381.01 = 865,871.70/x
  3. Step 3: Cross multiply
    3,261,840.90x = 4,892,381.01 × 865,871.70
  4. Step 4: Simplify right side
    3,261,840.90x = 4,236,174,262,176.42
  5. Step 5: Solve for x
    x = 4,236,174,262,176.42/3,261,840.90
  6. Step 6: Final answer
    x = 1,298,706.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.